/* ==========================================================================
   BUGFREE SOLUTION PRIVATE LIMITED — ARCHITECTURAL BLUEPRINT DESIGN SYSTEM
   Exact color codes, typography, grid texture, and motion inspired by illoca.unseen.co
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@500;700&family=DM+Sans:ital,opsz,wght@0,9..40,300..800;1,9..40,300..800&family=Geist+Mono:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --bg-paper: #FFFBF3;
  --bg-paper-alt: #FDF8F0;
  --bg-paper-dark: #EADFC9;
  --color-blue: #3B60C5;
  --color-blue-dark: #1D2378;
  --color-blue-deep: #16203D;
  --color-blue-surface: #2347A8;
  --color-orange: #EC633D;
  --color-red: #E76051;
  --color-text: #111111;
  --color-text-muted: #5B5B5B;
  --color-text-light: #8B8B8B;
  --color-grid: rgba(218, 203, 178, 0.55);
  --color-grid-accent: rgba(59, 96, 197, 0.12);
  --color-border: #9C9C9C;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Geist Mono', monospace;
  --font-script: 'Caveat', cursive;
  --shadow-paper: 4px 4px 0 rgba(0, 0, 0, 0.08);
  --shadow-card: 6px 6px 0 rgba(0, 0, 0, 0.1);
  --radius-pill: 9999px;
  --radius-card: 4px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-paper);
  color: var(--color-text);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-paper);
}

/* Blueprint Paper Grid Pattern */
.bg-grid {
  background-color: var(--bg-paper);
  background-image: 
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
}

/* Subtle Technical Drafting Crosshairs */
.bg-grid-technical {
  background-color: var(--bg-paper);
  background-image: 
    radial-gradient(circle at 1px 1px, rgba(59, 96, 197, 0.3) 1px, transparent 0),
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 64px 64px, 32px 32px, 32px 32px;
}

/* Live Coordinate HUD */
.hud-coords {
  position: fixed;
  top: 36px;
  left: 32px;
  z-index: 50;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.2;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
  pointer-events: none;
  transition: color 0.3s ease;
}
.hud-coords span {
  color: var(--color-text-muted);
  font-weight: 600;
}
.hud-coords.on-dark {
  color: rgba(255, 255, 255, 0.6);
}
.hud-coords.on-dark span {
  color: #fff;
}

/* Monospace Top Right Contact */
.hud-contact {
  position: fixed;
  top: 36px;
  right: 28px;
  z-index: 50;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  transition: color 0.3s ease;
  white-space: nowrap;
}
.hud-contact a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.hud-contact a:hover {
  color: var(--color-blue);
}
.hud-contact.on-dark, .hud-contact.on-dark a {
  color: #fff;
}

/* Floating Centered Pill Navbar */
.nav-pill-wrapper {
  position: fixed;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: calc(100% - 360px);
  max-width: 640px;
}

.nav-pill {
  position: relative;
  height: 60px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px 6px 16px;
  transition: box-shadow 0.25s ease;
}
.nav-pill:hover {
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.1);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--color-blue);
  border-radius: 3px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  padding: 3px;
  box-shadow: 1px 1px 2px rgba(0,0,0,0.15);
}
.brand-icon-cell {
  background: #fff;
  border-radius: 1px;
}
.brand-icon-cell:nth-child(2) {
  border-radius: 50% 50% 0 0;
}
.brand-icon-cell:nth-child(3) {
  border-radius: 50%;
}
.brand-icon-cell:nth-child(4) {
  border-radius: 0 0 100% 0;
}

.brand-text {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.03em;
  color: #111;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  position: relative;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: -0.01em;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-blue);
}

/* Animated Dotted Underline on Link Hover */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-image: radial-gradient(circle, var(--color-red) 1px, transparent 1px);
  background-size: 4px 2px;
  background-repeat: repeat-x;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}
.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Dual-State Flip Action Button */
.btn-flip-cta {
  height: 46px;
  padding: 4px 6px 4px 6px;
  background: var(--color-blue);
  color: #FFFBF3;
  border-radius: 3px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  position: relative;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.12);
  transition: background-color 0.25s ease, transform 0.15s ease;
}
.btn-flip-cta:hover {
  background: #3254b0;
}

.btn-flip-icon {
  width: 36px;
  height: 36px;
  background: var(--color-orange);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-flip-text-container {
  height: 18px;
  overflow: hidden;
  position: relative;
  padding-right: 12px;
}
.btn-flip-text-inner {
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.65, 0, 0.35, 1);
}
.btn-flip-cta:hover .btn-flip-text-inner {
  transform: translateY(-18px);
}
.btn-flip-text {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 18px;
  color: #fff;
  white-space: nowrap;
}

/* Mobile Nav Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 6px 10px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: 140px;
  padding-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
}

.hero-annotations {
  position: relative;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

/* Hand-Drawn Pencil Eyebrow */
.hero-eyebrow {
  position: absolute;
  top: -14px;
  left: 30px;
  font-family: var(--font-script);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text-muted);
  transform: rotate(-3deg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  pointer-events: none;
}
.pencil-line-svg {
  width: 150px;
  height: 6px;
  margin-top: -2px;
}

/* Hand-Drawn Right Annotation */
.hero-annotation-right {
  position: absolute;
  bottom: 12px;
  right: 40px;
  font-family: var(--font-script);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-muted);
  transform: rotate(-2deg);
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

/* Bold Title */
.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(48px, 8.5vw, 120px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: 24px;
  position: relative;
  user-select: none;
}

.hero-title .title-line {
  display: block;
}

.hero-title .stroke-text {
  -webkit-text-stroke: 1.5px var(--color-text);
  color: transparent;
}

.hero-tagline {
  max-width: 680px;
  margin: 0 auto 36px;
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.45;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
}

/* Bottom Right Blueprint Tag */
.hero-bottom-tag {
  position: fixed;
  bottom: 28px;
  right: 32px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  background: rgba(255, 251, 243, 0.9);
  padding: 6px 12px;
  border-radius: 3px;
  border: 1px solid rgba(218, 203, 178, 0.8);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.04);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.hero-bottom-tag.fade-out {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}
.chevron-scroll-icon {
  width: 18px;
  height: 18px;
  background: #F2E5D0;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   PINNED BLUEPRINT INTERACTIVE CANVAS SHOWCASE
   ========================================================================== */
.showcase-container {
  position: relative;
  width: 100%;
  height: 400vh; /* Scrub timeline across 4 stages */
}

.showcase-sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-paper);
}

/* Background Blueprint Canvas */
.blueprint-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Narrative Card Overlay (Left Aligned) */
.showcase-overlay {
  position: absolute;
  top: 50%;
  left: 6vw;
  transform: translateY(-50%);
  z-index: 10;
  width: 100%;
  max-width: 480px;
  pointer-events: none;
}

.narrative-card {
  background: rgba(255, 251, 243, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: auto;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.narrative-card.active {
  opacity: 1;
  transform: translateY(0);
  position: relative;
}

.stage-eyebrow {
  font-family: var(--font-script);
  font-size: 22px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.stage-eyebrow .badge-num {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-blue);
  color: #fff;
  padding: 2px 6px;
  border-radius: 2px;
}

.stage-title {
  font-family: var(--font-sans);
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.stage-desc {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* Prompt Bar Widget in Canvas */
.floating-prompt-bar {
  position: absolute;
  bottom: 80px;
  right: 8vw;
  z-index: 15;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #A19D94;
  border-radius: 4px;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.08);
  padding: 8px 12px 8px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 460px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  pointer-events: auto;
}
.prompt-typewriter {
  color: var(--color-text);
  font-weight: 500;
  min-width: 220px;
}
.prompt-generate-btn {
  background: var(--color-blue);
  color: #fff;
  border: none;
  border-radius: 3px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.2s;
}
.prompt-generate-btn:hover {
  background: var(--color-blue-dark);
}

/* Watch Demo / Action Button */
.btn-paper-action {
  display: inline-flex;
  align-items: center;
  border: 1px solid #A19D94;
  border-radius: 3px;
  background: #fff;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.06);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}
.btn-paper-action:hover {
  box-shadow: 4px 4px 0 rgba(0,0,0,0.1);
  transform: translate(-1px, -1px);
}
.btn-paper-action .action-icon {
  width: 42px;
  height: 42px;
  border-right: 1px solid #A19D94;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFBF3;
  color: var(--color-red);
}
.btn-paper-action .action-label {
  padding: 0 18px;
}

/* ==========================================================================
   THE MANIFESTO ("AN OPEN LETTER TO ENTERPRISE BUILDERS")
   ========================================================================== */
.manifesto-section {
  position: relative;
  background: var(--color-blue-dark);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  color: #fff;
  padding: 140px 24px 180px;
  overflow: hidden;
  text-align: center;
}

.manifesto-eyebrow {
  font-family: var(--font-script);
  font-size: 24px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 8px;
}

.manifesto-title {
  font-family: var(--font-sans);
  font-size: clamp(40px, 6vw, 84px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 60px;
}

/* Isometric 3D Cubes positioned around the letter */
.manifesto-container {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.iso-cube {
  position: absolute;
  width: 140px;
  height: 140px;
  pointer-events: none;
  transition: transform 0.5s ease;
}
.cube-tl { top: -40px; left: -60px; }
.cube-tr { top: -20px; right: -60px; }
.cube-bl { bottom: -20px; left: -60px; }
.cube-br { bottom: -40px; right: -60px; }

/* The Envelope & Letter Paper */
.envelope-wrapper {
  position: relative;
  width: 100%;
  max-width: 660px;
  margin: 0 auto;
}

.letter-paper {
  background: #FFFDF9;
  background-image: 
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 100% 28px;
  color: var(--color-text);
  padding: 56px 48px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35), 6px 6px 0 rgba(0, 0, 0, 0.2);
  text-align: left;
  position: relative;
  z-index: 5;
  transform: translateY(0);
  transition: transform 0.4s ease;
}

.letter-paper h3 {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
}

.letter-paper p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: #2b2b2b;
  margin-bottom: 16px;
}

.letter-paper .signoff {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--color-blue);
  margin-top: 24px;
}

/* ==========================================================================
   CORPORATE ACCREDITATIONS & CREDIBILITY STRIP
   ========================================================================== */
.credentials-strip {
  background: #FAF3E3;
  border-top: 1px solid #D6C7A8;
  border-bottom: 1px solid #D6C7A8;
  padding: 36px 24px;
}

.credentials-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 24px;
}

.cred-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.cred-icon-box {
  width: 36px;
  height: 36px;
  background: var(--color-blue);
  color: #fff;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

/* ==========================================================================
   PRODUCTS & ECOSYSTEM ARCHITECTURE (ILLOCA FILING FOLDER TAB & 3-CARD SUITES)
   ========================================================================== */
.products-section {
  padding: 120px 24px 140px;
  background-color: var(--bg-paper);
  position: relative;
}

/* Filing Folder Tab Header */
.tab-header-wrap {
  position: relative;
  max-width: 1140px;
  margin: 0 auto 50px;
  display: flex;
  align-items: flex-end;
}

.filing-tab {
  position: relative;
  width: 260px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.filing-tab svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.filing-tab-title {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text);
}

.emph {
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--color-red);
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  max-width: 1140px;
  margin: 0 auto 64px;
  align-items: stretch;
}

.product-suite-card {
  border-radius: var(--radius-card);
  padding: 44px 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.product-suite-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.12);
}

/* Suite 01: White Paper Card */
.card--white {
  background: #FFFDF9;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.card--white .suite-badge {
  background: #E8DFC8;
  color: var(--color-text);
}

/* Suite 02: Red/Terracotta Centerpiece (illoca card--red) */
.card--red {
  background: var(--color-orange);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid #C94C29;
  color: #fff;
  transform: scale(1.02);
}
.card--red:hover {
  transform: scale(1.02) translateY(-4px);
}
.card--red .suite-badge {
  background: #fff;
  color: var(--color-orange);
}
.card--red .suite-name,
.card--red .suite-subtitle,
.card--red .feature-item {
  color: #fff;
}
.card--red .feature-item {
  border-bottom: 1px dashed rgba(255, 255, 255, 0.3);
}
.card--red .feature-item::before {
  color: #FFFBF3;
}

/* Suite 03: Royal Blue Card (illoca card--blue) */
.card--blue {
  background: var(--color-blue);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid var(--color-blue-dark);
  color: #fff;
}
.card--blue .suite-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.card--blue .suite-name,
.card--blue .suite-subtitle,
.card--blue .feature-item {
  color: #fff;
}
.card--blue .feature-item {
  border-bottom: 1px dashed rgba(255, 255, 255, 0.25);
}
.card--blue .feature-item::before {
  color: var(--color-orange);
}

.suite-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 16px;
  width: fit-content;
  font-weight: 600;
}

.suite-name {
  font-family: var(--font-sans);
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  line-height: 1.15;
}

.suite-subtitle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.feature-list {
  list-style: none;
  margin-bottom: 32px;
}

.feature-item {
  font-family: var(--font-body);
  font-size: 14.5px;
  padding: 9px 0 9px 24px;
  position: relative;
  border-bottom: 1px dashed #D0C7B4;
  color: #333;
  line-height: 1.4;
}
.feature-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-blue);
}

.suite-btn {
  width: 100%;
  padding: 13px;
  border-radius: 3px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid #111;
  background: #111;
  color: #fff;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
  display: block;
}
.suite-btn:hover {
  background: var(--color-blue);
  border-color: var(--color-blue);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.15);
}
.card--red .suite-btn {
  background: #fff;
  color: var(--color-orange);
  border-color: #fff;
}
.card--red .suite-btn:hover {
  background: var(--color-blue-dark);
  color: #fff;
  border-color: var(--color-blue-dark);
}
.card--blue .suite-btn {
  background: #fff;
  color: var(--color-blue);
  border-color: #fff;
}
.card--blue .suite-btn:hover {
  background: var(--color-orange);
  color: #fff;
  border-color: var(--color-orange);
}

/* 9-Product Ecosystem Technical Matrix */
.ecosystem-matrix-wrap {
  max-width: 1140px;
  margin: 0 auto;
  background: #FAF5E8;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 40px 36px;
  box-shadow: var(--shadow-card);
}

.matrix-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  border-bottom: 1px solid #D6C7A8;
  padding-bottom: 20px;
}
.matrix-title {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.matrix-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.matrix-item {
  background: #FFFDF9;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 3px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s, box-shadow 0.2s;
}
.matrix-item:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.08);
  border-color: var(--color-blue);
}

.matrix-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.matrix-product-name {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
}
.matrix-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  background: #EAE0CA;
  border-radius: 2px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}
.matrix-desc {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.matrix-caps {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-blue);
  line-height: 1.35;
}

/* ==========================================================================
   ILLOCA BOTTOM-LEFT COOKIE CONSENT BANNER PILL
   ========================================================================== */
.cookie-banner-pill {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 16px;
  background: #FDF8F0;
  border: 1px solid #A19D94;
  border-radius: 4px;
  padding: 8px 14px;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.12);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.cookie-banner-pill.dismissed {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}
.cookie-btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cookie-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid #A19D94;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  transition: all 0.15s;
}
.cookie-btn-accept {
  background: var(--color-blue);
  color: #fff;
  border-color: var(--color-blue);
}
.cookie-btn-accept:hover {
  background: var(--color-blue-dark);
}
.cookie-btn-reject {
  background: #FFFDF9;
  color: var(--color-red);
  border-color: #A19D94;
}
.cookie-btn-reject:hover {
  background: #F8ECE8;
}

/* ==========================================================================
   TECHNICAL SPECIFICATION FAQS (ACCORDION)
   ========================================================================== */
.faqs-section {
  padding: 100px 24px 140px;
  background: var(--bg-paper-alt);
  border-top: 1px solid #E5D6BC;
}

.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px dashed var(--color-text-light);
  margin-bottom: 4px;
}

.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  cursor: pointer;
}

.faq-question {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  padding-right: 20px;
}

.faq-icon-box {
  width: 32px;
  height: 30px;
  background: #E5D6BC;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 0.2s, transform 0.3s;
}
.faq-icon-box svg {
  transition: transform 0.3s ease;
}
.faq-item.open .faq-icon-box svg {
  transform: rotate(180deg);
}
.faq-item.open .faq-icon-box {
  background: var(--color-blue);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-answer-inner {
  padding-bottom: 24px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text-muted);
}
.faq-answer-inner strong {
  color: var(--color-text);
}

/* ==========================================================================
   ISOMETRIC BLUEPRINT GEOMETRY FOOTER
   ========================================================================== */
.footer-section {
  position: relative;
  background: var(--color-blue-dark);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  color: #fff;
  padding: 100px 24px 40px;
  overflow: hidden;
}

.footer-blueprint-art {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.15;
}

.footer-content {
  position: relative;
  z-index: 5;
  max-width: 1140px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand h2 {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.footer-brand p {
  font-family: var(--font-body);
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 380px;
  line-height: 1.5;
}

.footer-links-grid {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 12px;
}
.footer-col a {
  font-family: var(--font-body);
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 1024px) {
  .hud-coords, .hud-contact { display: none; }
  .showcase-overlay { left: 4vw; max-width: 420px; }
  .floating-prompt-bar { right: 4vw; bottom: 40px; max-width: 380px; }
}

@media (max-width: 768px) {
  .nav-pill-wrapper {
    width: calc(100% - 20px);
    max-width: 100%;
    top: 10px;
  }
  .nav-pill {
    height: 48px;
    padding: 4px 8px 4px 10px;
    gap: 8px;
  }
  .brand-icon {
    width: 22px;
    height: 22px;
  }
  .brand-text {
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
  }
  /* Inquire button on mobile nav hidden on very narrow screens so portal CTA fits cleanly */
  .nav-pill [data-inquiry-trigger] {
    display: none;
  }
  .btn-flip-cta {
    height: 36px;
    padding: 2px 6px;
    gap: 4px;
  }
  .btn-flip-icon {
    width: 24px;
    height: 24px;
  }
  .btn-flip-text {
    font-size: 10.5px;
    line-height: 15px;
  }
  .btn-flip-text-container {
    height: 15px;
  }
  .btn-flip-cta:hover .btn-flip-text-inner {
    transform: translateY(-15px);
  }
  .mobile-menu-btn {
    display: block;
    padding: 6px 9px;
    font-size: 10px;
  }
  .nav-links { display: none; }

  /* Responsive insights grid */
  .insights-section {
    padding: 60px 16px;
    overflow-x: hidden;
  }
  .insights-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    width: 100%;
    margin-top: 32px;
  }
  .insight-card {
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 24px 20px;
  }

  /* Bottom Cookie Banner centered on mobile */
  .cookie-banner-pill {
    left: 50%;
    transform: translateX(-50%);
    bottom: 16px;
    width: calc(100% - 32px);
    max-width: 400px;
    justify-content: space-between;
    padding: 10px 14px;
    font-size: 11px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }
  .cookie-banner-pill.dismissed {
    transform: translateX(-50%) translateY(20px);
  }

  .hero-section {
    padding-top: 90px;
    padding-bottom: 30px;
    min-height: auto;
  }
  .hero-annotations {
    padding: 0 12px;
  }
  .hero-eyebrow {
    position: static;
    font-size: 18px;
    margin-bottom: 8px;
    align-items: center;
    transform: none;
  }
  .hero-annotation-right {
    position: static;
    font-size: 16px;
    margin-top: 12px;
    justify-content: center;
    transform: none;
  }
  .hero-title {
    font-size: clamp(32px, 8.5vw, 46px);
    line-height: 1.05;
    margin-bottom: 16px;
  }
  .hero-tagline {
    font-size: 14.5px;
    line-height: 1.5;
    margin-bottom: 20px;
  }
  .hero-bottom-tag {
    display: none;
  }
  .showcase-overlay { position: static; transform: none; padding: 24px 16px; max-width: 100%; }
  .floating-prompt-bar { display: none; }
  .showcase-container { height: 300vh; }
  .iso-cube { display: none; }
  .letter-paper { padding: 28px 18px; }
  .credentials-container { justify-content: flex-start; gap: 14px; }
  .product-page-hero { padding: 100px 16px 40px; }
  .product-hero-stats { padding: 16px; gap: 16px; }
  .schematic-section { padding: 40px 16px 60px; }
  .schematic-box { padding: 24px 16px; }
}

/* ==========================================================================
   DEDICATED PRODUCT DETAIL PAGES (ILLOCA BLUEPRINT ARCHITECTURE)
   ========================================================================== */
.product-page-hero {
  padding: 140px 24px 70px;
  max-width: 1140px;
  margin: 0 auto;
  position: relative;
}

.product-breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-breadcrumb a {
  color: var(--color-blue);
  text-decoration: none;
}
.product-breadcrumb a:hover {
  text-decoration: underline;
}

.product-hero-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}

.product-hero-title {
  font-family: var(--font-sans);
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.product-hero-subtitle {
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.5;
  color: #4A4A4A;
  max-width: 780px;
  margin-bottom: 32px;
}

.product-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 20px 24px;
  background: #FAF5E8;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.06);
  margin-bottom: 40px;
}

.stat-item {
  flex: 1 1 180px;
}
.stat-item-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.stat-item-val {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-blue-dark);
}

.schematic-section {
  padding: 60px 24px 80px;
  max-width: 1140px;
  margin: 0 auto;
}

.schematic-box {
  background: #FFFDF9;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 40px;
  box-shadow: var(--shadow-card);
  position: relative;
  margin-bottom: 60px;
}
.schematic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
  border-bottom: 1px dashed #D6C7A8;
  padding-bottom: 16px;
}
.schematic-title {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}
.schematic-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-orange);
  background: #F8ECE8;
  padding: 4px 8px;
  border-radius: 2px;
  text-transform: uppercase;
}

.schematic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.schematic-node {
  background: #FAF6ED;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 3px;
  padding: 20px;
  position: relative;
}
.schematic-node-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-blue);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}
.schematic-node-title {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}
.schematic-node-desc {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.45;
  color: #555;
}

.product-cta-banner {
  background: var(--color-blue-dark);
  color: #fff;
  border-radius: var(--radius-card);
  padding: 48px;
  text-align: center;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.15);
  margin-top: 60px;
}
.product-cta-title {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 14px;
}
.product-cta-desc {
  font-family: var(--font-body);
  font-size: 16px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 28px;
  line-height: 1.5;
}
.product-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.related-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

/* =========================================================================
   11. INSIGHTS & ENGINEERING BLOG STYLES
   ========================================================================= */
.insights-section {
  padding: 100px 24px;
  max-width: 1240px;
  margin: 0 auto;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.insight-card {
  background: #FFFBF3;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.insight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 rgba(20, 66, 114, 0.12);
  border-color: var(--color-blue);
}

.insight-card:hover::before {
  transform: scaleX(1);
}

.insight-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.insight-category {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-blue);
  background: rgba(59, 96, 197, 0.08);
  padding: 4px 10px;
  border-radius: 2px;
  border: 1px dashed rgba(59, 96, 197, 0.3);
}

.insight-read-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
}

.insight-title {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: 14px;
}

.insight-excerpt {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.55;
  color: #444;
  margin-bottom: 24px;
}

.insight-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
}

.insight-date {
  color: var(--color-text-muted);
}

.insight-link-text {
  color: var(--color-blue);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* =========================================================================
   12. INTERACTIVE TECHNICAL INQUIRY MODAL (BLUEPRINT SPEC TICKET)
   ========================================================================= */
.blueprint-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 16, 26, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.blueprint-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.blueprint-modal-dialog {
  background: #FFFBF3;
  border: 2px solid var(--color-blue);
  border-radius: 4px;
  max-width: 580px;
  width: 100%;
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.blueprint-modal-overlay.active .blueprint-modal-dialog {
  transform: translateY(0) scale(1);
}

.blueprint-modal-header {
  background: var(--color-blue-dark);
  color: #FFFBF3;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--color-blue);
}

.blueprint-modal-title {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.blueprint-ticket-no {
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(255, 255, 255, 0.15);
  padding: 2px 6px;
  border-radius: 2px;
}

.blueprint-modal-close {
  background: transparent;
  border: none;
  color: #FFFBF3;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.blueprint-modal-close:hover {
  opacity: 1;
}

.blueprint-modal-body {
  padding: 28px 24px;
  max-height: 80vh;
  overflow-y: auto;
}

.blueprint-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 580px) {
  .blueprint-form-grid {
    grid-template-columns: 1fr;
  }
}

.blueprint-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.blueprint-field label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text);
}

.blueprint-field input,
.blueprint-field select,
.blueprint-field textarea {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.blueprint-field input:focus,
.blueprint-field select:focus,
.blueprint-field textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 2px rgba(59, 96, 197, 0.2);
}

.blueprint-field textarea {
  resize: vertical;
  min-height: 90px;
}

.blueprint-submit-btn {
  width: 100%;
  background: var(--color-blue);
  color: #FFFBF3;
  border: none;
  border-radius: 3px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
  transition: background 0.2s ease, transform 0.1s ease;
  margin-top: 10px;
}

.blueprint-submit-btn:hover {
  background: var(--color-blue-dark);
  transform: translateY(-1px);
}

.blueprint-status-notice {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 14px;
  line-height: 1.4;
}

/* =========================================================================
   13. FLOATING MOBILE SCROLL-TO-TOP BUTTON
   ========================================================================= */
.btn-scroll-top {
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 42px;
  height: 42px;
  background: #FFFBF3;
  color: var(--color-blue);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.15);
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.btn-scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.btn-scroll-top:hover {
  background: var(--color-blue);
  color: #FFFBF3;
  border-color: var(--color-blue);
}

@media (min-width: 1025px) {
  .btn-scroll-top {
    display: none; /* Mobile/tablet only per minimalist layout */
  }
}